1: <?php
  2: /**
  3:  * Magento
  4:  *
  5:  * NOTICE OF LICENSE
  6:  *
  7:  * This source file is subject to the Open Software License (OSL 3.0)
  8:  * that is bundled with this package in the file LICENSE.txt.
  9:  * It is also available through the world-wide-web at this URL:
 10:  * http://opensource.org/licenses/osl-3.0.php
 11:  * If you did not receive a copy of the license and are unable to
 12:  * obtain it through the world-wide-web, please send an email
 13:  * to license@magentocommerce.com so we can send you a copy immediately.
 14:  *
 15:  * DISCLAIMER
 16:  *
 17:  * Do not edit or add to this file if you wish to upgrade Magento to newer
 18:  * versions in the future. If you wish to customize Magento for your
 19:  * needs please refer to http://www.magentocommerce.com for more information.
 20:  *
 21:  * @category    Mage
 22:  * @package     Mage_Connect
 23:  * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
 24:  * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 25:  */
 26: 
 27: /**
 28:  * Default helper of the module
 29:  *
 30:  * @category    Mage
 31:  * @package     Mage_Connect
 32:  * @author      Magento Core Team <core@magentocommerce.com>
 33:  */
 34: class Mage_Connect_Helper_Data extends Mage_Core_Helper_Data
 35: {
 36:     /**
 37:      * Retrieve file system path for local extension packages
 38:      * Return path with last directory separator
 39:      *
 40:      * @return string
 41:      */
 42:     public function getLocalPackagesPath()
 43:     {
 44:         return Mage::getBaseDir('var') . DS . 'connect' . DS;
 45:     }
 46: 
 47:     /**
 48:      * Retrieve file system path for local extension packages (for version 1 packages only)
 49:      * Return path with last directory separator
 50:      *
 51:      * @return string
 52:      */
 53:     public function getLocalPackagesPathV1x()
 54:     {
 55:         return Mage::getBaseDir('var') . DS . 'pear' . DS;
 56:     }
 57: 
 58:     /**
 59:      * Retrieve a map to convert a channel from previous version of Magento Connect Manager
 60:      *
 61:      * @return array
 62:      */
 63:     public function getChannelMapFromV1x()
 64:     {
 65:         return array(
 66:             'connect.magentocommerce.com/community' => 'community',
 67:             'connect.magentocommerce.com/core' => 'community'
 68:         );
 69:     }
 70: 
 71:     /**
 72:      * Retrieve a map to convert a channel to previous version of Magento Connect Manager
 73:      *
 74:      * @return array
 75:      */
 76:     public function getChannelMapToV1x()
 77:     {
 78:         return array(
 79:             'community' => 'connect.magentocommerce.com/community'
 80:         );
 81:     }
 82: 
 83:     /**
 84:      * Convert package channel in order for it to be compatible with current version of Magento Connect Manager
 85:      *
 86:      * @param string $channel
 87:      *
 88:      * @return string
 89:      */
 90:     public function convertChannelFromV1x($channel)
 91:     {
 92:         $channelMap = $this->getChannelMapFromV1x();
 93:         if (isset($channelMap[$channel])) {
 94:             $channel = $channelMap[$channel];
 95:         }
 96:         return $channel;
 97:     }
 98: 
 99:     /**
100:      * Convert package channel in order for it to be compatible with previous version of Magento Connect Manager
101:      *
102:      * @param string $channel
103:      *
104:      * @return string
105:      */
106:     public function convertChannelToV1x($channel)
107:     {
108:         $channelMap = $this->getChannelMapToV1x();
109:         if (isset($channelMap[$channel])) {
110:             $channel = $channelMap[$channel];
111:         }
112:         return $channel;
113:     }
114: 
115:     /**
116:      * Load local package data array
117:      *
118:      * @param string $packageName without extension
119:      * @return array|false
120:      */
121:     public function loadLocalPackage($packageName)
122:     {
123:         //check LFI protection
124:         $this->checkLfiProtection($packageName);
125: 
126:         $path = $this->getLocalPackagesPath();
127:         $xmlFile = $path . $packageName . '.xml';
128:         $serFile = $path . $packageName . '.ser';
129: 
130:         if (file_exists($xmlFile) && is_readable($xmlFile)) {
131:             $xml  = simplexml_load_file($xmlFile);
132:             $data = Mage::helper('core')->xmlToAssoc($xml);
133:             if (!empty($data)) {
134:                 return $data;
135:             }
136:         }
137: 
138:         if (file_exists($serFile) && is_readable($xmlFile)) {
139:             $data = unserialize(file_get_contents($serFile));
140:             if (!empty($data)) {
141:                 return $data;
142:             }
143:         }
144: 
145:         return false;
146:     }
147: }
148: